Yui, a wife who lived peacefully with her husband.One day, while her husband's brother, Hideo, was looking for her job, she came to the house.Her husband and night activities were few and Hideo came and there were fewer opportunities and Yui satisfied her frustration with masturbation.By chance, she was seen by Hideo and her Yui was violated by Hideo.Yui gets squid in the blink of an eye by the intense piston of Hideo who was doing physical labor for her unlike her husband.However, Hideo's piston does not know that it will stop, and Yui who just got acme is further blamed.